LM185BH/NOPB

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A voltage reference is an electronic component that produces a stable reference voltage. The LM185BH/NOPB voltage reference is a precision temperature compensated 3-terminal voltage reference. It provides a voltage output of 1.21V with a temperature stability of 0.1 %/°C between 0°C to +70°C and 0.2 %/°C from -20°C to +125°C.

The LM185BH/NOPB is available in a TO-92 (3-Terminal Transistor) package and is ideal for use as a power supply reference for low voltage systems. The low dropout voltage of 0.4V ensures that the reference voltage remains constant over a wide range of input voltages. This makes the LM185BH/NOPB suitable for applications where a lower input voltage than the nominal voltage is needed. The low power requirements of the device make it ideal for battery powered systems.

The LM185BH/NOPB uses a circuit based on a band gap voltage reference. A band gap voltage reference is a circuit that produces a stable voltage output in the presence of temperature variations. The circuit is composed of several components, the most important of which are the precision diode, the temperature compensating diode, the amplifier, the bias current source, and the reference voltage source. The precision diode acts as a temperature compensating element that provides a stable reference voltage over a wide temperature range. The temperature compensating diode enhances the temperature compensation of the circuit. The amplifier and bias current source increases the current capability of the device and provides the necessary bias current for proper circuit operation. Finally, the reference voltage source provides the desired output voltage.

The LM185BH/NOPB is suitable for use in a variety of applications. It can be used in microprocessors and other digital logic circuits, as an adjustable voltage source or a power supply reference, and in various data acquisition systems. The device can also be used for calibrating test and measurement equipment, for monitoring and controlling the output of a power supply, and to stabilize power supply voltage fluctuations.

In conclusion, the LM185BH/NOPB is a precision 3-terminal voltage reference with a temperature stability of 0.1 %/°C between 0°C to +70°C and 0.2 %/°C from -20°C to +125°C, and a low dropout voltage of 0.4V. The device is ideal for low voltage systems and applications where a low input voltage is needed. The device can be used for a variety of applications, including microprocessor and digital logic circuits, adjustable voltage sources, power supply references, data acquisition systems, test and measurement equipment, and power supply voltage stabilization. Therefore, the LM185BH/NOPB is a versatile device and is well suited for many applications.

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